Add 63/49 and 72/80
1st number: 1 14/49, 2nd number: 72/80
63/49 + 72/80 is 153/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 80 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 49 × 80 = 3920,
63/49 = 63 × 80/49 × 80 = 5040/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
72/80 = 72 × 49/80 × 49 = 3528/3920 - Add the two like fractions:
5040/3920 + 3528/3920 = 5040 + 3528/3920 = 8568/3920 - 8568/3920 simplified gives 153/70
- So, 63/49 + 72/80 = 153/70
In mixed form: 213/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/98+72/80